8 pages matching vacuum tube in this book
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acceptor amplifier barrier potential base basic bias voltage capacitance capacitor cathode causes characteristic curves collector current conduction conductor constant control grid covalent bonds crystal current flow current gain cycle elec electron flow electron tube emission emitted filament filter forward biased full-wave rectifier germanium glow tube grid voltage half-wave heat holes impurity increase ionization junc junction diode junction transistor lattice load current load resistor load voltage majority carriers maximum mercury-vapor metal negative terminal neutralize number of electrons operating outer shell output voltage pentode plate current plate voltage PN junction PNP TRANSISTOR point contact diode positive charge power supply produce region resistance reverse bias ripple screen grid semiconductor devices semiconductor diode semiconductor rectifier shown in figure silicon silicon controlled rectifier sistor space charge spacistor temperature tetrode tion tive training course triode trons vacuum tube vacuum tube rectifier valence voltage divider voltage drop VOLTAGE REGULATOR volts waveform